Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. James Milton Johnston, MD

Individual provider Internal Medicine Physician · NPI 1144204314

Dr. James Milton Johnston, MD is an Internal Medicine Physician in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2005.

Licensed in
OK
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1110 N Classen Blvd Ste 300
Oklahoma City, OK 73106-6842
Phone: (405) 236-3736
Fax: (405) 236-2137
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 9515 (OK)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 9515 (OK)

Record details

NPI number1144204314
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2005
Last updated in NPPESJanuary 10, 2011

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